Comb



FIG. 1: is a perspective view of a comb showing my new design;

FIG. 2: is a front elevational view, the rear elevational view being a mirror image thereof;

FIG. 3: is a left side elevational view;

FIG. 4: is a right side elevational view;

FIG. 5: is a top plan view; and,

FIG. 6: is a bottom plan view. 

The ornamental design for a comb, as shown and described. 